Home / 5,409.29-7,465.98-3,418.58

Finding the Fourth Proportional to 5,409.29, 7,465.98 and 3,418.58

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Solution

The fourth proportional to 5,409.29, 7,465.98 and 3,418.58 is: 4,718.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,409.29 : 7,465.98 = 3,418.58 : x
  2. Step 2: Convert to fraction form
    5,409.29/7,465.98 = 3,418.58/x
  3. Step 3: Cross multiply
    5,409.29x = 7,465.98 × 3,418.58
  4. Step 4: Simplify right side
    5,409.29x = 25,523,012.58
  5. Step 5: Solve for x
    x = 25,523,012.58/5,409.29
  6. Step 6: Final answer
    x = 4,718.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.